Manitowoc Grove GMK 5250L Maintenance Manual

Maintenance work on the superstructure
8.11 Hook blocks
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GMK5250L
09.03.2018
The diagram gives an example of the arrange-
ment of the grease nipples (1), (2) and (3) on a
hook block.
There are more grease nipples on the other
side.
• Clean the grease nipples on all hook blocks
and grease them using a grease gun.
Checking the
fastenings
The truck crane GMK5250L can be equipped with hook blocks that can be
separated.
The figure shows an example of the removable components on a hook
block.
Separable hook block
• Check the separatable joints (1) for damage.
• Check the bolts (2) and the retaining pins (3)
for damage.
G
Risk of accidents due to non-secured hook block components
If the removable components of the bottom hook block are not properly
secured, then they can fall from a great height and fatally injure people dur-
ing crane operation.
Always check that the removable components are properly secured during
loading and before crane operation.

Manitowoc Grove GMK 5250L Specifications

General

Brand	Manitowoc
Model	Grove GMK 5250L
Category	Construction Equipment
Language	English